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Acta Optica Sinica
Contents
1984
Volume: 4 Issue 12
17 Article(s)
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Research Article
[in Chinese]
.
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 4, Issue 12, 1 (1984)
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[in Chinese]
[in Chinese]
.
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 4, Issue 12, 13 (1984)
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[in Chinese]
.
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 4, Issue 12, 1 (1984)
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Diffraction and Gratings
Determination of spatial linewidth with partially coherent imagery
YANG JIAN, WU SHUDONG, and WANG ZHIJIANG
In this paper, the straight-edge-threshold in an axis-symmetrical imaging system is deduced based on the theory of partial coherence, and the effect of the scanning slit width is also considered. An experimental method is discussed with a π phase edge plate. The comparison of the calculated value and the threshold show
In this paper, the straight-edge-threshold in an axis-symmetrical imaging system is deduced based on the theory of partial coherence, and the effect of the scanning slit width is also considered. An experimental method is discussed with a π phase edge plate. The comparison of the calculated value and the threshold shows a good agreement. The location accuracy reaches to 0.01μm..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 4, Issue 12, 1067 (1984)
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Fourier Optics and Signal Processing
L-S-L imaging system of one-step rainbow holography
LI ZHIMING, REN HONYAO, and LIU SHUHUI
The general expression of the resolution and color blur of holographic image of object-point of the L-S-L imaging system is derived theoretically. A quantitative discussion is made on the characteristics of holographic image under certain experimental conditions, and an example is given to select the parameters of the
The general expression of the resolution and color blur of holographic image of object-point of the L-S-L imaging system is derived theoretically. A quantitative discussion is made on the characteristics of holographic image under certain experimental conditions, and an example is given to select the parameters of the L-S-L system according to various requests of image characteristics..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 4, Issue 12, 1094 (1984)
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Instrumentation, Measurement and Metrology
Relative calibration of a six-channel recording system of 90° Thomson scattering apparatus for CT-6B Tokamak
HU SHUQIN, and LIAN ZHONGXIANG
In this paper the method and results are described by relative calibration of spectral response and of frequency response for the six-channel recording system measuring the signals of 90° Thomson scattering experiment on CT-6B Tokamak.
In this paper the method and results are described by relative calibration of spectral response and of frequency response for the six-channel recording system measuring the signals of 90° Thomson scattering experiment on CT-6B Tokamak..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 4, Issue 12, 1057 (1984)
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An analytical method for measuring birefringence properties of single mode fiber
LIAO YANBIAS, PAN ANPEI, LEE MEI, and QIN XIAORONG
A simple method for polarization measurement using a quarter-wave plate and an analyzer has been described in this paper. In the experiments a more convenient sot of measurable quantities was chosen and an analytical solution from a set of equations which are for determing linear retardation in fiber was obtained. Usin
A simple method for polarization measurement using a quarter-wave plate and an analyzer has been described in this paper. In the experiments a more convenient sot of measurable quantities was chosen and an analytical solution from a set of equations which are for determing linear retardation in fiber was obtained. Using this solution the measurements and calculations become quite simple. The measurement errors can be determined from this explicit formula also..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 4, Issue 12, 1062 (1984)
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Materials
The study and application of dicromated-polyvinyl alcohol as real-time holographic recording material
FU ZIPING, ZHANG JUQIN, and HSU DAHSIUNG
A new holographic recording material-dichromated-polyvinyl alcohol (DC-PVA) used in real-time holographic recording is described. This material can be real-time developed easily, and fixed by using thermal radiation or light illumination at the very position in which it was exposured. In the experiment, some amplitude-
A new holographic recording material-dichromated-polyvinyl alcohol (DC-PVA) used in real-time holographic recording is described. This material can be real-time developed easily, and fixed by using thermal radiation or light illumination at the very position in which it was exposured. In the experiment, some amplitude-phase holograms have been made. The resolution of the DO-PVA is approaching to that of dichromatod gelatin (DOG), and the diffraction efficiency obtained is about 30%. This paper gives the analysis of the mechanism of hologram formation in DO-PVA and holographic characteristics, and. discusses several promising applications such as real-time interferometry, information storage and character-recognition. The experimental results and photos are presented in tho paper..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 4, Issue 12, 1101 (1984)
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Rapid Communications
Analytic solutions to the misaligned flat mirror resonators-Applications of the multiple-scaling perturbation theory to optics resonators
PANG HONGLIE, and WANG XIAOYI
In this paper the equivalent differential equation to the integral equation of misaligned flat mirror resonators is solved by using of the multiple-scaling perturbation theory. A complete analytic solutions to the equation is obtained for the first time.
In this paper the equivalent differential equation to the integral equation of misaligned flat mirror resonators is solved by using of the multiple-scaling perturbation theory. A complete analytic solutions to the equation is obtained for the first time..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 4, Issue 12, 1107 (1984)
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Absolute measurement of grating diffraction efficiency
HUANG YONGKAI, ZHUANG DAKUN, and XU GENCHUAN
This paper discribes a new method of measuring absolute diffraction efficiency of a grating. The main advantage is that the measurement precision is increased by using multiple diffraction. The experimental setup and results are given. Under nonoptimum conditions the measurement uncertainty is less than 4×10-3.
This paper discribes a new method of measuring absolute diffraction efficiency of a grating. The main advantage is that the measurement precision is increased by using multiple diffraction. The experimental setup and results are given. Under nonoptimum conditions the measurement uncertainty is less than 4×10-3..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 4, Issue 12, 1111 (1984)
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Speckle reduction of rainbow hologram by incoherent holographic technique
YANG GUOHUANG, ZUO JIAN, and ZHANG JINJUAN
An incoherent rainbow holography technique has been developed. We recorded rainbow hologram of a diffuse object with spatial incoherent light and reconstructed it with white light. The experimental results show that this method substantially suppresses the noise of hologram and improves the holographic image quality. T
An incoherent rainbow holography technique has been developed. We recorded rainbow hologram of a diffuse object with spatial incoherent light and reconstructed it with white light. The experimental results show that this method substantially suppresses the noise of hologram and improves the holographic image quality. Therefore, this is a simple and effective technique for speckle reduction..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 4, Issue 12, 1115 (1984)
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Additional aberrations for synthetical imaging of optical element arrays
WANG SHAOMIN, and ZHOU GUOSHENG
Based on synthetical imaging principle of optical element arrays[1-3] and demonstrations of some new types of arrays as pseudo-conjugators[7-9], a general expression of synthetical image aberrations have been derived in this paper. Then, an αβvδ condition for synthetical aberrations eliminated has been given and diffra
Based on synthetical imaging principle of optical element arrays[1-3] and demonstrations of some new types of arrays as pseudo-conjugators[7-9], a general expression of synthetical image aberrations have been derived in this paper. Then, an αβvδ condition for synthetical aberrations eliminated has been given and diffraction affect has been discussed. The results have been proved by experiments..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 4, Issue 12, 1119 (1984)
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Investigation of optical gyration in α-AlPO
4
crystals
XU BIN, LIU XILING, and HAN JIANRU
This paper presents the investigation of optical gyration in α-AlPO4 crystals. By polaroids, the gyration light interference pattern and "pa" helical pattern have been observed. The optical gyration rate and its variations with wavelength and temperature have been measured. It is pointed out that the optical
This paper presents the investigation of optical gyration in α-AlPO4 crystals. By polaroids, the gyration light interference pattern and "pa" helical pattern have been observed. The optical gyration rate and its variations with wavelength and temperature have been measured. It is pointed out that the optical gyration of this crystal is constrained by the rotation direction of Al-O and P-O tetrahedron and their variations with temperature..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 4, Issue 12, 1125 (1984)
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Spectral identification of CO laser by optogalvanic spectroscopy
GUI ZHENXIN, ZHANG SHUNYI, and WANG YUMIN
Spectral identification and resolution of CO laser at room temperature have been made by using optogalvanic signal of positive and negetive characteristics. This method has the advantages of Simplicity and high resolution.
Spectral identification and resolution of CO laser at room temperature have been made by using optogalvanic signal of positive and negetive characteristics. This method has the advantages of Simplicity and high resolution..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 4, Issue 12, 1131 (1984)
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Spectroscopy
Study of excited energy diffusion and transfer by time-resolved laser-selective excited technique in concentrated Nd-phosphate glasses
CHEN SHUCHUN, YI GUANHONG, DAI FENGMEI, and JIANG ZHONGHONG
In this paper, the laser-selective excited time-resolved spectroscopy technique is used to investigate the concentration quenching and energy diffusion and transfer between Nd3+ ions in the phosphate glasses, in which the composition and the Nd3+ concentration are similar to those of Nd x Y1-x P5O14 crystal. The experi
In this paper, the laser-selective excited time-resolved spectroscopy technique is used to investigate the concentration quenching and energy diffusion and transfer between Nd3+ ions in the phosphate glasses, in which the composition and the Nd3+ concentration are similar to those of Nd x Y1-x P5O14 crystal. The experimental result shown that this material is with weak concentration quenching, and the quenching rate proportional to X. The laser-selective excited timo-resolvod spectra shows that Nd ions located in various different local crystal-field sites In NP-1 glass with N0=4.2×1021 cm-1. The energy transfer and diffusion between Nd3+ Ions take place through forced electric dipole-dipole interaction. In tomporature range of 77~150 K, tho transfer process invovings a thermal activation onorgy of 330cm-1 was found. By fitting experimental data with theory, several energy transfer parameters are estimatod..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 4, Issue 12, 1074 (1984)
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Measurement of relative oscillator strength gf using pulse optogavlnic effect
YIN LIfENG, Hu QiQUAN, and LIN FUCHENG
We present the quantitative relation between the peak of the pulse optogavlnio signal and the intensity of the excited laser, based on this relation, it is possible to measure the relative oscillator strength of the atomic transition in a discharge tube, in which the population deviates from Boltzmann distribution, and
We present the quantitative relation between the peak of the pulse optogavlnio signal and the intensity of the excited laser, based on this relation, it is possible to measure the relative oscillator strength of the atomic transition in a discharge tube, in which the population deviates from Boltzmann distribution, and the energy levels have anomalous electric ionization rate . The feasibility of this method was shown by an experiment using a Ne hollow cathode discharge tube..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 4, Issue 12, 1081 (1984)
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Thin Films
Effect of ion bombardment on thin film properties
GU PEIFU, and TANG JINFA
Oxygen ions from a cold cathode ion-gun have been used tor bombarding the growing thin films. The effect of ion bombardment on film packing density and moisture adsorption is examined. Experimental results confirm that the packing density of ZrO2, TiO2 and SiO2 with ion bombardment, measured by a quartz crystal microba
Oxygen ions from a cold cathode ion-gun have been used tor bombarding the growing thin films. The effect of ion bombardment on film packing density and moisture adsorption is examined. Experimental results confirm that the packing density of ZrO2, TiO2 and SiO2 with ion bombardment, measured by a quartz crystal microbalance, is increased to over 0.9. Based on the technique of moisture adsorption the measured drift of the peak transmission wavelength of interference filters consisted of these materials is reduced by a factor of B. It shows that ion assisted technique might be employed to produce films of superior optical and mechanical performances..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 4, Issue 12, 1088 (1984)
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Diffraction and Gratings
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Instrumentation, Measurement and Metrology
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